Understanding Type 2 Diabetes in Children: Expert Insights on Rising Rates and Risk Factors

While diabetes has historically been viewed primarily as an adult health concern, pediatricians are sounding the alarm on a worrying trend: Type 2 diabetes diagnoses among children and teenagers are steadily rising. To effectively protect youth health, it is essential for families to understand that diabetes is not a monolithic condition. Michael Glazier, M.D., a board-certified pediatrician and chief officer for Bluebird Kids Health, outlines a complex, multilayered web of factors driving the surge in pediatric Type 2 diabetes, pointing to an increase in sedentary behavior, higher exposure to ultraprocessed foods and genetic predispositions. Crucially, he emphasizes that the disease cannot be blamed on individual choices alone; worsening social determinants of health (SDOH) are major biological drivers. Medical experts are deeply concerned because pediatric-onset diabetes tends to be more aggressive than adult-onset forms. It carries a lifetime of exposure to elevated blood sugar, bringing earlier risks of severe complications like hypertension, kidney disease, vision issues and heart disease.

To help families intervene early, this interview serves as an essential guide for recognizing the subtle, often non-specific warning signs of youth diabetes. Glazier advises parents to look out for generalized symptoms like unusual fatigue, unexplained weight fluctuations, persistent thirst and frequent nighttime awakenings or bed-wetting. Additionally, physical indicators like blurry vision or acanthosis nigricans (dark, velvety patches of pigmented skin on the neck or armpits) can signal underlying insulin resistance.

By breaking down the general ignorance and harmful stigmas that falsely attribute the disease to laziness or simply eating too much sugar, Glazier empowers parents and communities to view pediatric diabetes through a compassionate, systemic lens and seek timely clinical support.

What are the differences between Type 1 diabetes and Type 2 diabetes?

Michael Glazier, M.D.: When discussing diabetes in children, it is important to distinguish between Type 1 and Type 2 diabetes. Although both result in an inability to utilize sugar for energy and the negative effects of having too much unutilized sugar (hyperglycemia), their etiologies are very different. Type 1 diabetes is essentially caused by not having enough insulin (insulin deficiency) secondary to autoimmune destruction of the cells that make insulin, and Type 2 diabetes is caused by initial resistance to insulin and then inadequate insulin production over time.

Rates of Type 2 diabetes in children and teens have been increasing in recent years. What factors are driving this rise, and why are doctors so concerned about it?

MG: Since Type 2 diabetes is characterized by resistance to insulin, anything that adds to this resistance contributes to increased disease burden and also accelerates the negative consequences of the disease. Things which increase insulin resistance include:

• Obesity and excessive adipose (fat) tissue (calorie-dense/ ultraprocessed foods)
• Sedentary behavior (less physical activity, more screen time)
• Higher family history risk and increased exposure to maternal diabetes in utero
• Worsening SDOH contributors: food insecurity, fewer safe outdoor activity spaces, reduced access to care

Unfortunately, all of these factors are on the rise.

Why physicians are concerned:

• The earlier diabetes presents, the longer the potential lifetime exposure to the negative effects of hyperglycemia. Additionally, the earlier these complications start to appear. These negative effects include high blood pressure (hypertension), kidney disease (nephropathy), eye disease (retinopathy), high cholesterol and lipids (dyslipidemia), and the accompanying increased risk of heart disease.
• Pediatric-onset diabetes also tends to be more aggressive than adult-onset diabetes, leading to earlier complications.

Many parents may not realize that children can develop Type 2 diabetes. What are some early warning signs or symptoms families should pay attention to?

MG: Often, Type 2 diabetes in children presents with nonspecific generalized signs and symptoms. These can include unexpected weight loss or weight gain and/or fatigue. It can also present as persistent thirst and increased urination, as well as blurry vision. Increased urination can cause nighttime bed-wetting accidents or frequent wakenings to use the bathroom. Signs also include dark patches of increased pigmented skin on the back of the neck or the armpits (acanthosis nigricans).

We often hear conversations around weight and lifestyle when discussing Type 2 diabetes, but there can also be stigma and blame attached to the disease. What do you want families to understand about the many factors that can contribute to diabetes risk in children?

MG: General ignorance concerning the multiple contributing factors to the development of Type 2 diabetes leads to stigma, which includes the incorrect assumptions that it is caused by “laziness” or “eating too much sugar.” It is important for everyone to realize Type 2 diabetes is not a consequence of a lack of willpower — it is a disease. The causes of increased insulin resistance in Type 2 diabetes are multifactorial and include family history and genetics, history of gestational diabetes exposure, body weight and body fat distribution, and medications a child may be taking for another chronic condition.

How can untreated or poorly managed Type 2 diabetes affect a child’s long-term health, both physically and emotionally?

MG: Years of high blood sugar exposure (hyperglycemia) negatively affect many different body systems. Hyperglycemia causes kidney disease, eye disease, nerve damage, blood vessel disease and heart disease. Children with Type 2 diabetes also often experience higher levels of anxiety and depression and lower self-esteem, and are bullied and shamed more often.

For parents who may feel overwhelmed, what are some realistic and sustainable ways families can support healthier habits at home without making children feel singled out or shamed?

MG: The single most important thing families can do to help support healthier habits at home for children with Type 2 diabetes is to make changes for the whole family, and not just the affected or at-risk child. These changes should be gradual and consistently enforced. Repetitively vocalized reasons for making these changes are to improve everyone’s overall short and long-term health, and not just their weight and body mass index.

What gives you hope right now when it comes to preventing and treating Type 2 diabetes in younger patients?

MG: Awareness of Type 2 diabetes as a childhood disease, as well as the risk factors for it, and improvements in the technology we use to treat it, will together decrease the complications experienced from years of high blood sugars. Continuous monitoring and medication pumps allow children with Type 2 diabetes to participate in more activities and to keep tighter control of their sugar levels, decreasing swings and the deleterious effects of both high and low blood sugars.